目前市場上應用廣泛的是螺旋風管。但是螺旋導管有哪些種類呢?
At present, spiral duct is the most widely used in the market. But what kinds of spiral catheters are there?
螺旋風管市場按材質一般分為三類安徽泵:鍍鋅螺旋風管、不銹鋼螺旋風管和復合螺旋風管。其中，不銹鋼風管質量好，適用性強，但價格較高。目前市場上流通廣泛的螺旋管是鍍鋅板。鍍鋅鋼螺旋管的基本特點是基本不銹鋼螺旋管，但價格僅為不銹鋼螺旋管的三分之二或更低。復合式螺旋風管一般用于外部環境較為常見，對風管的要求不太高。由于鐵容易在各種環境中發生生化反應，導致腐蝕、生銹。另一方面，鋅在干燥的空氣中變化不大。在潮濕的空氣中，鋅表面會形成致密的堿性碳酸鋅膜。螺旋風管主要是在風管鐵板上涂一層鋅，以保護鐵板。通過鈍化、著色或涂上保護劑，可顯著提高鋅鍍層的保護和裝飾性能。
The spiral duct market is generally divided into three types of Anhui pumps according to the material: galvanized spiral duct, stainless steel spiral duct and composite spiral duct. Among them, stainless steel air duct has the best quality and strong applicability, but the price is higher. At present, galvanized sheet is the most widely circulated spiral tube in the market. The basic characteristic of galvanized steel spiral pipe is basic stainless steel spiral pipe, but the price is only two-thirds or lower of stainless steel spiral pipe. Compound spiral duct is commonly used in external environment, and the requirement for the duct is not too high. As iron is prone to biochemical reactions in various environments, it leads to corrosion and rust. On the other hand, zinc does not change much in dry air. In moist air, a dense alkaline zinc carbonate film is formed on the surface of zinc. The spiral air duct is mainly coated with zinc on the iron plate of the air duct to protect the iron plate. The protective and decorative properties of zinc coating can be significantly improved by passivation, coloring or coating with protective agent.
山東通風管道制造企業生產的螺旋風管具有以下特點:
The spiral air duct produced by Shandong Ventilation Pipeline Manufacturing Enterprise has the following characteristics:
外觀光滑，無鋅瘤，毛刺，銀白色;
Smooth appearance, no zinc tumors, burrs, silver white;
2、安裝方便，連接點少;
2. Easy installation and few connection points.
3.通風阻力低，噪音小;
3. Low ventilation resistance and low noise;
4. 強度、剛性好;
4. Good strength and rigidity;
5. 厚度可控，可在5-107微米范圍內任意選擇。
5. The thickness is controllable and can be chosen arbitrarily in the range of 5-107 microns.
6. 無氫脆、無溫度危害，能保證材料力學性能不變;
6. No hydrogen embrittlement, no temperature hazard, can ensure that the mechanical properties of materials remain unchanged.
7、可更換部分熱浸鍍鋅工藝;
7. Replaceable hot-dip galvanizing process;
8. 耐腐蝕性好，可達240小時中性鹽霧試驗;
8. Good corrosion resistance, up to 240 hours of neutral salt spray test;
9. 熱浸鍍鋅，適用于各種強酸、強堿霧等腐蝕性環境;
9. Hot dip galvanizing is suitable for all kinds of corrosive environments such as strong acid and alkali fog.
10、可根據客戶要求，專門設計、定制各種規格的風管。
10. Various specifications of air ducts can be specially designed and customized according to customer requirements.
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